I have a list declared outside a for loop and then I assign some values to this list inside that for loop and its value is updated when printed inside the loop but whe...
how can i iterate bello list and show it in my structure? <pre><code>List courses = [ {'course 1':{'p':['course 0'],'need':[],'v':3}}, {'course 2':{'p':[],'nee...
In my app I have a list view with checkboxes. My code: <pre><code> body: Column(children: [ Expanded( child: MasonryGridView.count(...
I have an array and this array i get from JSON, but this array is not known how deep and i just want to make it 2 dimensions parrent and children. I make the example j...
I am attempting to put in a pause between a forEach loop for a list. I would have thought the timeout would cause a pause for the loop but it just seems to sta...
I wrote an iteration on list of letters and put inside cards on screen using map class. In the code you can see that I made a row, and using m...
I want to repeat the following code with index values from 1 to n. How to do it in flutter ? <pre><code>return ListView( children: <Widget>[ SizedBox(...
I am relatively new to the Flutter world and need some help in efficiently querying a nested Firebase query with pagination in Flutter. I am building an app whe...
Please I need help for looping <strong>years</strong> in this widget DropdownSearch. I'm using this script, but return with wrong Values. <pre><code>DropdownSearc...
Coding a game on Flutter, Want to play music on loop in Background when the app starts with audioplayers: ^0.20.1 package and WidgetsBindingObserver, doesn't work! The...
Within a Stream Builder I have 2 for loops, the first for loop iterates through all the documents, within each document there is an array and each array element holds...
I have below code, the objective is to put a download button below each image and download that particular image on being clicked. however when I run the code, for all...
Here is my code <pre><code>Future ppp() async { var url ='my url here'; final response = await http.get(Uri.parse(url)); return response; } var da...
I was making an app and it keeps showing an error the method was called on null. When I looked up for answers it was specified that this occurs when method is not decl...
I programmed a little TicTacToe AI in which I declare the 'bestMove' inside the loop, but can't access it outside of it. <pre><code>void computerMove() { int...
